Instructions for use
Put the green/blue side of the filter in the upper cover of the filter and buckle the lower cover.
Assemble the filter holder to the main mask.
Install the silicone band on each side of the mask.
Adjust the size according to the user until the desired comfort and degree of tightness are achieved.
What is the lifespan of the reusable mask?
How long can we keep the filter?
How to replace the filter?
How to disinfect mask after use?